Lexic.us

Definition of Random walk

1. Noun. A stochastic process consisting of a sequence of changes each of whose characteristics (as magnitude or direction) is determined by chance.

Definition of Random walk

1. Noun. (mathematics) A stochastic path consisting of a series of sequential movements, the direction (and sometime length) of which is chosen at random ¹

¹ Source: wiktionary.com

Medical Definition of Random walk

1. A description of the path followed by a cell or particle when there is no bias in movement. The direction of movement at any instant is not influenced by the direction of travel in the preceding period. If changes of direction are very frequent, then the displacement will be small, unless the speed is very great and the object will appear to vibrate on the spot. Although the behaviour of moving cells in a uniform environment can be described as a random walk in the long term, this is not true in the short term because of persistence. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Random Walk

Literary usage of Random walk

Below you will find example usage of this term as found in modern and/or classical literature:

1. Proceedings of the Cambridge Philosophical Society by Cambridge Philosophical Society (1843)
"NOTE ON THE RANDOM-WALK PROBLEM BY CA COULSON Received 3 February 1947 1. ... This is a particular case of the more general random-walk problem, ..."

2. Adaptive Statistical Procedures and Related Topics: Proceedings of a by Herbert Robbins, John Van Ryzin (1986)
"... THE PASSAGE OF A random walk FROM GENERALIZED BALLS* Sandor Csörgö and Laj os Horváth Szeged University We derive a strong approximation for the first ..."

3. Profiting from Chaos: Using Chaos Theory for Market Timing, Stock Selection by Tonis Vaga (1994)
"... Market Hypothesis and the random walk Model Investing need not be a complicated process. As a result of long-term economic growth, anyone can purchase ..."

4. Isolation and Aggregation in Economics by Ekkehart Schlicht (1985)
"4.3 Estimation in a Linear Model with random walk Coefficients 4.3.1 The ... in the assumption that the coefficients are generated by a simple random walk. ..."

5. Selected Proceedings of the Sheffield Symposium on Applied Probability by Ishwar V. Basawa, Robert Lee Taylor (1991)
"UNIFORM CONVERGENCE OF MARTINGALES IN THE ONE-DIMENSIONAL BRANCHING random walk JD Biggins The University of Sheffield Abstract In the supercritical ..."

6. Stein's Method: Expository Lectures and Applications by Persi Diaconis, Susan Holmes (2004)
"2.2 Convergence to the uniform distribution for simple random walk. Consider simple random walk on the discrete circle Zp - the integers mod p. ..."

7. Computer Models for Water-Resources Planning and Management: National Study by Ralph A. Wurbs (1997)
"The coupled PLASM flow and random walk solute transport model provides the PLASM ... The random walk model simulates one- or two- dimensional contaminant ..."

8. Dynamics & Stochastics: Festschrift in Honour of M.S. Keane by M. S. Keane, Dee Denteneer, F. den Hollander, Evgeny Verbitskiy (2006)
"Introduction random walk in random scenery is a family of stationary random processes exhibiting amazingly rich behavior. We will survey some of the results ..."

Other Resources: